International Civil Aviation Organisation

The International Civil Aviation Organization (English: International Civil Aviation Organization, abbreviated as ICAO, French: Organization de l'Aviation Civile Internationale, abbreviated OACI) is a United Nations agency established under the 1944 Chicago Convention on International Civil Aviation. The International Civil Aviation Organization (English: International Civil Aviation Organization, abbreviated as ICAO, French: Organization de l'Aviation Civile Internationale, abbreviated OACI) is a United Nations agency established under the 1944 Chicago Convention on International Civil Aviation. ICAO differs from other international air transport organizations, mainly because it is in the hands of international authorities (among signatory countries): other organizations include the International Air Transport Association (IATA), a trade association representing airlines; Civil Air Navigation Services Organization (CANSO), an air navigation service provider organization (ANSP); and Airports Council International, the airport authority trade association.